package IteratorPattern;

/**
 * 创建实现Container接口的具体类。这个类有一个内部类NameIterator，它实现了Iterator接口。
 */
public class NameRepository implements Container {

    public String names[] = {"Robert" , "John" ,"Julie" , "Lora"};
    @Override
    public Iterator getIterator() {
        return new NameIterator();
    }

    private class NameIterator implements Iterator{
        int index;

        @Override
        public boolean hasNext() {
            if (index<names.length){
                return true;
            }
            return false;
        }

        @Override
        public Object next() {
            if (this.hasNext()){
                return names[index++];
            }
            return null;
        }
    }
}
